57421300 has 36 divisors (see below), whose sum is σ = 128630656. Its totient is φ = 22226400.

The previous prime is 57421277. The next prime is 57421303. The reversal of 57421300 is 312475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57421303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6162 + ... + 12361.

Almost surely, 2^57421300 is an apocalyptic number.

57421300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57421300 is an abundant number, since it is smaller than the sum of its proper divisors (71209356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57421300 is a wasteful number, since it uses less digits than its factorization.

57421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18568 (or 18561 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 57421300 is about 7577.6843428583. The cubic root of 57421300 is about 385.7959582751.

Adding to 57421300 its reverse (312475), we get a palindrome (57733775).

The spelling of 57421300 in words is "fifty-seven million, four hundred twenty-one thousand, three hundred".